.sider {
  height: 100%;
  padding-bottom: 100px;
  overflow: auto;
  border-right: 1px solid gainsboro;
  z-index: 10;
  position: relative;
}

.sider::-webkit-scrollbar {
  width: 5px;
  height: 1px;
}

.sider::-webkit-scrollbar-thumb {
  border-radius: 10px;
  box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.2);
  background: #bbb8b8;
}

.sider::-webkit-scrollbar-track {

  box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.1);
  border-radius: 10px;
  background: #ededed;
}

.logo {
  height: 60px;
  display: grid;
  place-items: center;
}
